Question

(a) The roots of small plants are embedded entirely in the topsoil.​

Answer 1

Answer:It is called the topsoil or the A-horizon. This provides shelter for many living organisms such as worms, rodents, moles and beetles. The roots of small plants are embedded entirely in the topsoil. The next layer has a lesser amount of humus but more of minerals.

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Answer 2

Answer:

• The topsoil or the A-horizon. This provides shelter for many living organisms such as worms, rodents, moles and beetles.

• The roots of small plants are embedded entirely in the topsoil.

• The next layer has a lesser amount of humus but more of minerals.